SAT 數學每日一題附答案和解析 ( 2018 年 3 月 2 日 )

03-04

每日一練:數學

Mathematics>Standard Multiple Choice

Read the following SAT test question and thenclick on a button to select your answer.

A rental car company charges $45 per day for therental of a midsize car. Additionally, there is a tax of8% on all car rentals. Which of the following functions c best represents the total charge, including tax, in dollars, to rent the midsize car for d days?

A.c ( d ) =45.08d

B.c ( d ) =45d+1.08

C.c ( d ) =45*0.08d

D.c ( d ) =45*1.08d

答案:D

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